ArnavBalyan opened a new pull request, #3296:
URL: https://github.com/apache/parquet-java/pull/3296
- Currently parquet does not have a good mechanism to have e2e testing for
CLI
- Developers have to manually call methods on the concrete class instead of
the actual CLI route, this makes testing hard and prone to errors.
<br>
- This change introduces a test harness which is a wrapper over main CLI
class and provides utilities to implement CLI tests easily.
- Users can simply test with single line of code such as:
cli("command").ok().matchOutputFromFile("txt"). The harness provides some other
utilities like `linecount`, `partial match` etc.
- The CLI output can be added to a txt to ensure readability and test the
actual console output
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